ADOPTED LEVELS, GAMMAS for 197At
Authors: Huang Xiaolong, Zhou Chunmei | Citation: Nucl. Data Sheets 104, 283 (2005) | Cutoff date: 1-Jan-2002
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=-7.82×103 keV 7 | S(n)= 1.050×104 keV 6 | S(p)= 1.5×102 keV 6 | Q(α)= 7.10×103 keV 5 | ||
| Reference: 2012WA38 |
| References: | |||
| A | 201Fr α decay | B | 165Ho(36Ar,4nγ) |
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) |
| 0.0 | AB | (9/2-) | 0.388 s 6 % α = 96.1 12 % ε = 3.9 12 | ||
| 52 10 | (1/2+) | 2.0 s 2 % ε = ? % IT ≤ 0.004 % α ≤ 100 | |||
| 311.0 10 | B | (13/2+) | 311 | 100 | |
| 324.0 10 | B | (13/2-) | 324 | 100 |
T1/2(level): From 1986Co12 and 1985HuZY.
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | (9/2-) | 0.388 s 6 % α = 96.1 12 % ε = 3.9 12 | Other: %α=96 4,%ε+%β+=4 4 (1980Sc26,1973Ta30), |<100 (1986Co12,1985HuZY). Compared to 90 5 for 199At, 71 7 for 201At, 69 for 203At, 10 for 205At, 8.7 for 207At. E(level): Other: %α=96 4,%ε+%β+=4 4 (1980Sc26,1973Ta30), |<100 (1986Co12,1985HuZY). Compared to 90 5 for 199At, 71 7 for 201At, 69 for 203At, 10 for 205At, 8.7 for 207At. |
Identification: 185Re(20Ne,8N) E=100-200 MeV (1967Tr06) excit; populated by Eα=7388 15 (1980Ew03) via 48-ms 201Fr decay
Q-value: Note: Current evaluation has used the following Q record -7820 79 1.049×1048 159 53 7104 50 2003Au03